Bayonet probe, 6mm, -50 to 400 ° C

In production :  2 to 3 weeks
Description and application

These resistance sensors are mainly designed to measure the temperature of solid substances, but can also be used to measure the temperature of liquids or gaseous substances. To mount the sensor on the measuring point, use a bayonet nut screwed onto a spring. The combination of a bayonet nut, a spring and the corresponding bayonet connector can provide higher contact pressure from the sensor to the measuring point or compensate for any changes in the distance between the nut and the measuring point during the measurement. The maximum temperature range of the sensors is between - 50 and 350 ° C (400 ° C in the short term). The range of individual design variations is reduced to the type of temperature sensing element and the power cable. The sensors comply with the protection level IP 50 to IP 67 according to EN 60529, depending on the type of input cable.


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Use Case

GUILCOR thermometers with bayonet locking are fitted with one or more Pt100 sensors (other sensitive elements on request), which are installed in a protective stainless steel sleeve with anti-torsion spring. The bayonet cap, which can be adjusted with the spring, ensures high operational reliability in temperature measurement thanks to the locking cap of the bayonet cap with the screw nipple. 

In the case of mechanical vibrations or temperature-induced expansions, the defined contact pressure ensures good thermal coupling. In addition, it is possible to rotate the bayonet cap on the spring and thus adjust the depth of immersion of the sensor in a bore or the preload of the spring according to their own requirements. 

Bayonet probe, 6mm, -50 to 400 ° C

Principle of construction / operation

The measuring resistor is installed in an insulated VA sleeve with a permanently connected connection line. The tension spring is mounted on the sleeve with the adjustable bayonet cap, which is used to set the desired polarization.

Sensor type TG 60 TG 61 TG 62
End of the case straight ahead half sphere R6 summit 120 °
Sensitive element type All types 
(Pt 100, Pt 1000, Ni 1000, Ni 10000, Ni 2226 = T1, NTC, PTC, KTY, 
TSiC, DALLAS, K thermocouple, J thermocouple, T thermocouple, etc.)
Housing DIN 1.4301 stainless steel
Case diameter 6 mm
Case length L
10 to 85 mm (with addition of 15 mm for fixing the cable)
Input cable variations / 
temperature range 
(may be limited by the type of sensitive element 
- to be determined in the documentation)
Shielded PVC -30 to 80 ° C 
Unshielded PVC -40 to 105 ° C 
shielded with silicone -50 to 200 ° C 
Teflon shielded -50 to 250 ° C 
with fiberglass 0 to 400 ° C 
(with metallic braid)
Ingress protection PVC and silicone cables IP 67 cables in 
IP 64 teflon conforming to standard EN 60529 
Fiberglass cables IP 50
Material / Size of bayonet nut
Nickel-plated brass / L = 16 mm, internal diameter 12,8 mm
Spring material / dimension stainless steel DIN 1.4301 
/ L = 200 mm, outside Ø 6 mm, wire Ø 0,7 mm
Isolation resistance 200 MΩ at 500 V DC
Maximum permissible static traction on the input cable
1 kg


Product Type
Maximum operating temperature
6 mm
Financial and
Cable length
Custom projects
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